FMCSA · Safety Measurement System register

Idaho motor carriers

• 13,217Registered carriers
• 22,069Inspections on file
• 1,090Reportable crashes
• 62Fatal crashes
• 5,021Inspections with an out-of-service order
• 2,003Hazardous materials inspections
• 74Hazmat carriers
• 85Passenger carriers

The census registers 13,217 motor carriers in Idaho, 74 of them carrying hazardous materials and 85 of them carrying passengers. Inspections recorded against carriers here number 22,069, 5,021 of which ended in an out-of-service order, and 1,090 reportable crashes, 62 of them fatal, are on file.

By category

• Controlled Substances/Alcohol 97 · 41 of 51 jurisdictions
• Crash Indicator 1,090 · 42 of 51 jurisdictions
• Driver Fitness 1,900 · 40 of 51 jurisdictions
• Hazardous Materials Compliance 271 · 33 of 51 jurisdictions
• Hours-of-Service Compliance 4,412 · 40 of 51 jurisdictions
• Unsafe Driving 4,649 · 36 of 51 jurisdictions
• Vehicle Maintenance 23,607 · 39 of 51 jurisdictions

Carriers by fleet size in Idaho

• 1 power unit 6,794
• 2 to 5 power units 4,609
• 6 to 20 power units 1,216
• 21 to 100 power units 275
• 101 to 1,000 power units 54
• 1,000 or more power units 5

Carriers by the work they do

• Interstate 6,782
• Intrastate, hazardous materials 6,217
• Intrastate, non-hazardous 218

Towns the carriers are based in

Boise (1,005) · Nampa (708) · Idaho Falls (669) · Caldwell (570) · Meridian (566) · Twin Falls (396) · Post Falls (329) · Pocatello (272) · Jerome (260) · Burley (258) · Lewiston (241) · Blackfoot (234) · Rigby (233) · Rexburg (217) · Hayden (208) · Coeur D Alene (184) · Kuna (174) · Sandpoint (153) · Bonners Ferry (148) · Rupert (148) · Emmett (147) · Buhl (145) · Rathdrum (142) · Athol (119) · Grangeville (117)

Unsafe Driving is the category a broker is most often shown first. Every jurisdiction →

Figures from the federal source files: EPA’s ECHO downloads, CMS provider files and the FMCSA census.

Counts from FMCSA SMS input files on data.transportation.gov: kjg3-diqy (Motor Carrier Census, 2,122,441 rows), rbkj-cgst (Inspection, 5,834,148), 8mt8-2mdr (Violation, 6,808,260), 4wxs-vbns (Crash, 255,582), p2mt-9ige (Out of Service Orders, 399,600); SoQL aggregates fetched 2026-09-16. A category’s rank is the register’s own count for this jurisdiction set against the same count for the other jurisdictions on the desk, and the town names are the census’s own spelling.